my problem

ive been band for about seven months now . But ran into some problems, was on a good weight loss then it stop. Started to gain. found out i was really stress out wasnt eating right. Then got real depress cause of a bad relationship. So the weight stop droppin and started to gain. So i keep myself in my room didnt know why . Doctor told me that when you have that goin on in your life your weight will slow down and go up. But he said to change my goal to loss fifty pounds by a year . Hes said some people only loss that much something in a year is this true